/Engine/Source/Developer/WidgetRegistration/Public/ToolkitBuilder.h
TheFToolElementRegistrationArgswhich is specified for Toolkits
class FToolkitBuilder : public [FToolElementRegistrationArgs](API\Developer\WidgetRegistration\FToolElementRegistrationArgs)
FSimpleMulticas...
OnActivePaletteChanged
OnActivePaletteChanged is broadcast when the active palette changes to a different palette
TSharedPtr<FTo...
VerticalToolbarElement
Returns a TSharedPointer to the FToolbarBuilder with the FUICommandInfos that load the Palettes